19991018-07:36 GMT+1

harbour/ChangeLog

@@ -1,3 +1,9 @@
+19991018-07:36 GMT+1 Victor Szel <info@szelvesz.hu>
+   + source/rtl/afields.prg
+     source/rtl/Makefile
+     + AFIELDS() function added (by Jose Lalin)
+       WARNING ! Please add new file to non-GNU make systems.
+
 19991018-00:03 GMT+1 Victor Szel <info@szelvesz.hu>
    * source/vm/hvm.c
      + Support for overloading the following operators:

harbour/source/rtl/Makefile

@@ -47,6 +47,7 @@ C_SOURCES=\
 PRG_SOURCES=\
         achoice.prg \
         adir.prg \
+        afields.prg \
         alert.prg \
         asort.prg \
         browdb.prg \

harbour/source/rtl/afields.prg

@@ -0,0 +1,79 @@
+/*
+ * $Id$
+ */
+
+/*
+ * Harbour Project source code:
+ * AFIELDS() function
+ *
+ * Copyright 1999 Jose Lalin <dezac@corevia.com>
+ * www - http://www.harbour-project.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version, with one exception:
+ *
+ * The exception is that if you link the Harbour Runtime Library (HRL)
+ * and/or the Harbour Virtual Machine (HVM) with other files to produce
+ * an executable, this does not by itself cause the resulting executable
+ * to be covered by the GNU General Public License. Your use of that
+ * executable is in no way restricted on account of linking the HRL
+ * and/or HVM code into it.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
+ * their web site at http://www.gnu.org/).
+ *
+ */
+
+#include "dbstruct.ch"
+
+FUNCTION AFields( aFieldNames, aTypes, aWidths, aDecimals )
+
+   LOCAL aStruct := dbStruct()
+   LOCAL nLen := Len( aStruct )
+
+   IF nLen > 0
+
+      IF ISARRAY( aFieldNames )
+         nLen := Min( nLen, Len( aFieldNames ) )
+      ENDIF
+
+      IF ISARRAY( aTypes )
+         nLen := Min( nLen, Len( aTypes ) )
+      ENDIF
+
+      IF ISARRAY( aWidths )
+         nLen := Min( nLen, Len( aWidths ) )
+      ENDIF
+
+      IF ISARRAY( aDecimals )
+         nLen := Min( nLen, Len( aDecimals ) )
+      ENDIF
+
+      IF ISARRAY( aFieldNames )
+         aEval( aStruct, {| aField, nIndex | aFieldNames[ nIndex ] := aField[ DBS_NAME ] }, 1, nLen )
+      ENDIF
+
+      IF ISARRAY( aTypes )
+         aEval( aStruct, {| aField, nIndex | aTypes[ nIndex ] := aField[ DBS_TYPE ] }, 1, nLen )
+      ENDIF
+
+      IF ISARRAY( aWidths )
+         aEval( aStruct, {| aField, nIndex | aWidths[ nIndex ] := aField[ DBS_LEN ] }, 1, nLen )
+      ENDIF
+
+      IF ISARRAY( aDecimals )
+         aEval( aStruct, {| aField, nIndex | aDecimals[ nIndex ] := aField[ DBS_DEC ] }, 1, nLen )
+      ENDIF
+
+   ENDIF
+
+   RETURN nLen